ATE478504T1 - Zellen-id-detektion in einem ofdm- kommunikationssystem - Google Patents

Zellen-id-detektion in einem ofdm- kommunikationssystem

Info

Publication number
ATE478504T1
ATE478504T1 AT07820847T AT07820847T ATE478504T1 AT E478504 T1 ATE478504 T1 AT E478504T1 AT 07820847 T AT07820847 T AT 07820847T AT 07820847 T AT07820847 T AT 07820847T AT E478504 T1 ATE478504 T1 AT E478504T1
Authority
AT
Austria
Prior art keywords
reference symbols
cells
communication system
cellular communication
corrected reference
Prior art date
Application number
AT07820847T
Other languages
German (de)
English (en)
Inventor
Bengt Lindoff
Leif Wilhelmsson
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE478504T1 publication Critical patent/ATE478504T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
AT07820847T 2006-10-26 2007-10-02 Zellen-id-detektion in einem ofdm- kommunikationssystem ATE478504T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US86304106P 2006-10-26 2006-10-26
US11/762,379 US7929624B2 (en) 2006-10-26 2007-06-13 Cell ID detection in cellular communication systems
PCT/EP2007/060465 WO2008049713A1 (fr) 2006-10-26 2007-10-02 Détection d'identifiant de cellule dans un système de communication ofdm

Publications (1)

Publication Number Publication Date
ATE478504T1 true ATE478504T1 (de) 2010-09-15

Family

ID=38947678

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07820847T ATE478504T1 (de) 2006-10-26 2007-10-02 Zellen-id-detektion in einem ofdm- kommunikationssystem

Country Status (6)

Country Link
US (1) US7929624B2 (fr)
EP (1) EP2084875B1 (fr)
AT (1) ATE478504T1 (fr)
DE (1) DE602007008604D1 (fr)
TW (1) TW200832986A (fr)
WO (1) WO2008049713A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005076614A1 (fr) * 2004-01-30 2005-08-18 Matsushita Electric Industrial Co., Ltd. Procede de codage d'image mobile et procede de decodage d'image mobile
US8971305B2 (en) * 2007-06-05 2015-03-03 Qualcomm Incorporated Pseudo-random sequence mapping in wireless communications
US8289946B2 (en) * 2007-08-14 2012-10-16 Qualcomm Incorporated Reference signal generation in a wireless communication system
WO2009084923A2 (fr) * 2008-01-03 2009-07-09 Lg Electronics Inc. Procédé de transmission de préambule dans un système à bande passante extensible
EP2200245B1 (fr) * 2008-12-19 2012-08-15 Telefonaktiebolaget L M Ericsson (publ) Récepteur et procédé pour communications mobiles
US8705440B2 (en) 2009-01-15 2014-04-22 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for cell searching
US8838090B2 (en) * 2009-01-15 2014-09-16 Telefonaktiebolaget Lm Ericsson (Publ) Automatic detection and correction of physical cell identity conflicts
US8588136B2 (en) * 2010-04-20 2013-11-19 Pctel, Inc. System and method for SSS detection under carrier frequency offset in an orthogonal frequency-division multiple access downlink channel
CN101883412B (zh) * 2010-07-02 2012-12-26 北京交通大学 Lte在高速移动条件下初始小区搜索方法
US20120250533A1 (en) * 2011-03-29 2012-10-04 Tom Harel Symmetrization of channel impulse response
WO2013042954A1 (fr) * 2011-09-21 2013-03-28 Lg Electronics Inc. Procédé et appareil permettant d'obtenir une synchronisation dans un système de radiocommunication
FR2988242B1 (fr) * 2012-03-15 2014-05-09 Commissariat Energie Atomique Methode d'estimation aveugle d'un code d'embrouillage d'une liaison montante wcdma
FR2988243B1 (fr) 2012-03-15 2014-05-09 Commissariat Energie Atomique Methode d'estimation aveugle d'un code d'embrouillage d'une liaison montante cdma 2000
CN103840909B (zh) * 2012-11-22 2017-07-07 普天信息技术研究院有限公司 一种提高解调正确率的方法
CN105245309B (zh) * 2014-07-03 2018-03-27 普天信息技术有限公司 专网信道加扰方法及装置
EP3782405A1 (fr) * 2018-04-20 2021-02-24 Telefonaktiebolaget Lm Ericsson (Publ) Procédé et appareil d'émission et de réception efficaces d'énergie d'un signal utilisant une distorsion de repliement

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3041175B2 (ja) * 1993-11-12 2000-05-15 株式会社東芝 Ｏｆｄｍ同期復調回路
US5682376A (en) * 1994-12-20 1997-10-28 Matsushita Electric Industrial Co., Ltd. Method of transmitting orthogonal frequency division multiplex signal, and transmitter and receiver employed therefor
KR100226698B1 (ko) * 1996-12-28 1999-10-15 전주범 직교 주파수 분할 다중화 수신 시스템의 채널 등화 장치
US6310856B1 (en) 1998-08-07 2001-10-30 Motorola, Inc. CDMA communications system having a searcher receiver and method therefor
JP3486576B2 (ja) * 1999-05-18 2004-01-13 シャープ株式会社 Ｏｆｄｍ受信装置及びその周波数オフセット補償方法
JP2001086035A (ja) 1999-09-14 2001-03-30 Nec Corp Ｃｄｍａにおけるセルサーチ方法
JP2001168777A (ja) 1999-12-06 2001-06-22 Matsushita Electric Ind Co Ltd 通信端末装置及び無線通信方法
US7110782B2 (en) 2001-10-30 2006-09-19 Texas Instruments Incorporated Cell search synchronization
US7035343B2 (en) 2002-01-31 2006-04-25 Qualcomm Inc. Closed loop transmit diversity antenna verification using trellis decoding
JP3860762B2 (ja) 2002-02-14 2006-12-20 株式会社エヌ・ティ・ティ・ドコモ 移動通信システム、チャネル同期確立方法、及び移動局
US7406102B2 (en) 2002-07-03 2008-07-29 Freescale Semiconductor, Inc. Multi-mode method and apparatus for performing digital modulation and demodulation
WO2004021616A1 (fr) 2002-08-28 2004-03-11 Fujitsu Limited Appareil de transmission/reception et procede de transmission/reception
KR100551133B1 (ko) 2003-02-07 2006-02-13 엘지전자 주식회사 레이크 수신기 및 이를 위한 신호를 수신하는 방법
DE60306894T2 (de) * 2003-05-07 2007-02-15 Stmicroelectronics S.R.L., Agrate Brianza Verfahren und Vorrichtung zur Zellensuche in zellularen Kommunikationssystemen
KR20050015913A (ko) * 2003-08-14 2005-02-21 삼성전자주식회사 직교 주파수 분할 다중 방식 통신 시스템에서 파일럿송수신 장치 및 방법
JP4918488B2 (ja) 2004-08-16 2012-04-18 ゼットティーイー（ユーエスエー）インコーポレーテッド 無線通信における高速度セル探索及び正確な同期
KR100715910B1 (ko) * 2004-09-20 2007-05-08 삼성전자주식회사 다중 접속 방식을 사용하는 이동 통신 시스템의 셀 탐색장치 및 방법
US7324794B2 (en) 2004-09-29 2008-01-29 Tzero Technologies, Inc. Phase combining diversity
US8144824B2 (en) * 2005-03-10 2012-03-27 Qualcomm Incorporated Trend influenced time tracking
US7684473B2 (en) * 2005-06-01 2010-03-23 Qualcomm Incorporated Receiver for wireless communication network with extended range
US20070270273A1 (en) * 2006-05-18 2007-11-22 Motorola, Inc. Method and apparatus for fast cell search

Also Published As

Publication number Publication date
WO2008049713A1 (fr) 2008-05-02
US20080101511A1 (en) 2008-05-01
EP2084875B1 (fr) 2010-08-18
DE602007008604D1 (de) 2010-09-30
TW200832986A (en) 2008-08-01
EP2084875A1 (fr) 2009-08-05
US7929624B2 (en) 2011-04-19

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